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-rw-r--r--packages/gtk+/gtk+-2.10.7/integer-pixops.patch348
1 files changed, 0 insertions, 348 deletions
diff --git a/packages/gtk+/gtk+-2.10.7/integer-pixops.patch b/packages/gtk+/gtk+-2.10.7/integer-pixops.patch
deleted file mode 100644
index 490a60dd8a..0000000000
--- a/packages/gtk+/gtk+-2.10.7/integer-pixops.patch
+++ /dev/null
@@ -1,348 +0,0 @@
---- /tmp/config.h.in 2006-12-23 00:00:38.000000000 +0100
-+++ gtk+-2.10.6/config.h.in 2006-12-23 00:01:05.632227000 +0100
-@@ -253,3 +253,7 @@
-
- /* Define to `int' if <sys/types.h> doesn't define. */
- #undef uid_t
-+
-+/* Define to use integer math rather than floating point where possible. */
-+#undef ENABLE_INTEGER_PIXOPS
-+
---- /tmp/configure.in 2006-12-23 00:02:16.000000000 +0100
-+++ gtk+-2.10.6/configure.in 2006-12-23 00:05:11.172227000 +0100
-@@ -203,6 +203,15 @@
- [AC_HELP_STRING([--disable-rebuilds],
- [disable all source autogeneration rules])],,
- [enable_rebuilds=yes])
-+AC_ARG_ENABLE(integer-pixops,
-+ [AC_HELP_STRING([--enable-integer-pixops],
-+ [use integer math where possible])],,
-+ [enable_integer_pixops=no])
-+
-+if test "x$enable_integer_pixops" = "xyes"; then
-+ AC_DEFINE(ENABLE_INTEGER_PIXOPS)
-+fi
-+
- AC_ARG_ENABLE(visibility,
- [AC_HELP_STRING([--disable-visibility],
- [don't use ELF visibility attributes])],,
---- /tmp/pixops.c 2006-12-23 10:04:02.000000000 +0100
-+++ gtk+-2.10.6/gdk-pixbuf/pixops/pixops.c 2006-12-23 10:04:21.772227000 +0100
-@@ -28,6 +28,10 @@
- #define SUBSAMPLE_MASK ((1 << SUBSAMPLE_BITS)-1)
- #define SCALE_SHIFT 16
-
-+#ifdef ENABLE_INTEGER_PIXOPS
-+#define FRAC 0x10000ULL
-+#endif
-+
- typedef struct _PixopsFilter PixopsFilter;
- typedef struct _PixopsFilterDimension PixopsFilterDimension;
-
-@@ -972,6 +976,29 @@
- (*pixel_func) (dest, dest_x, dest_channels, dest_has_alpha, src_has_alpha, check_size, color1, color2, r, g, b, a);
- }
-
-+#ifdef ENABLE_INTEGER_PIXOPS
-+
-+static void
-+correct_total (int *weights,
-+ int n_x,
-+ int n_y,
-+ int total,
-+ unsigned long overall_alpha)
-+{
-+ int correction = (int)(overall_alpha - total);
-+ int i;
-+ for (i = n_x * n_y - 1; i >= 0; i--)
-+ {
-+ if (*(weights + i) + correction >= 0)
-+ {
-+ *(weights + i) += correction;
-+ break;
-+ }
-+ }
-+}
-+
-+#else
-+
- static void
- correct_total (int *weights,
- int n_x,
-@@ -998,6 +1025,8 @@
- }
- }
-
-+#endif
-+
- static int *
- make_filter_table (PixopsFilter *filter)
- {
-@@ -1026,7 +1055,11 @@
- *(pixel_weights + n_x * i + j) = weight;
- }
-
-- correct_total (pixel_weights, n_x, n_y, total, filter->overall_alpha);
-+#ifdef ENABLE_INTEGER_PIXOPS
-+ correct_total (pixel_weights, n_x, n_y, total, overall_alpha * FRAC);
-+#else
-+ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
-+#endif
- }
-
- return weights;
-@@ -1178,6 +1211,93 @@
- /* Compute weights for reconstruction by replication followed by
- * sampling with a box filter
- */
-+#ifdef ENABLE_INTEGER_PIXOPS
-+
-+static void
-+tile_make_weights (PixopsFilter *filter, double x_scale_d, double y_scale_d, double overall_alpha_d)
-+{
-+ int i_offset, j_offset;
-+ unsigned long x_scale = x_scale_d * FRAC;
-+ unsigned long y_scale = y_scale_d * FRAC;
-+ unsigned long overall_alpha = overall_alpha_d * FRAC;
-+ unsigned long x_scale_r = FRAC / x_scale;
-+ unsigned long y_scale_r = FRAC / y_scale;
-+
-+ int n_x = ceil(1/x_scale_d + 1);
-+ int n_y = ceil(1/y_scale_d + 1);
-+
-+ filter->x_offset = 0;
-+ filter->y_offset = 0;
-+ filter->n_x = n_x;
-+ filter->n_y = n_y;
-+ filter->weights = g_new (int, SUBSAMPLE * SUBSAMPLE * n_x * n_y);
-+
-+ for (i_offset=0; i_offset<SUBSAMPLE; i_offset++)
-+ for (j_offset=0; j_offset<SUBSAMPLE; j_offset++)
-+ {
-+ int *pixel_weights = filter->weights + ((i_offset*SUBSAMPLE) + j_offset) * n_x * n_y;
-+ unsigned long x = j_offset * FRAC / SUBSAMPLE;
-+ unsigned long y = i_offset * FRAC / SUBSAMPLE;
-+ int i,j;
-+ int total = 0;
-+
-+ for (i = 0; i < n_y; i++)
-+ {
-+ unsigned long tw, th;
-+
-+ if (i < y)
-+ {
-+
-+ if (i + FRAC > y)
-+ th = MIN(i+FRAC, y + y_scale_r) - y;
-+ else
-+ th = 0;
-+ }
-+ else
-+ {
-+ if (y + FRAC/y_scale > i)
-+ th = MIN(i+FRAC, y + y_scale_r) - i;
-+ else
-+ th = 0;
-+ }
-+
-+ for (j = 0; j < n_x; j++)
-+ {
-+ int weight;
-+
-+ if (j < x)
-+ {
-+ if (j + FRAC > x)
-+ tw = MIN(j+FRAC, x + x_scale_r) - x;
-+ else
-+ tw = 0;
-+ }
-+ else
-+ {
-+ if (x + FRAC/x_scale > j)
-+ tw = MIN(j+FRAC, x + x_scale_r) - j;
-+ else
-+ tw = 0;
-+ }
-+
-+ {
-+ unsigned long lweight = (tw * x_scale) / FRAC;
-+ lweight = (lweight * th) / FRAC;
-+ lweight = (lweight * y_scale) / FRAC;
-+ lweight = (lweight * overall_alpha) / FRAC;
-+ weight = lweight;
-+ }
-+ total += weight;
-+ *(pixel_weights + n_x * i + j) = weight;
-+ }
-+ }
-+
-+ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
-+ }
-+}
-+
-+#else
-+
- static void
- tile_make_weights (PixopsFilterDimension *dim,
- double scale)
-@@ -1216,10 +1336,151 @@
- }
- }
-
-+#endif
-+
- /* Compute weights for a filter that, for minification
- * is the same as 'tiles', and for magnification, is bilinear
- * reconstruction followed by a sampling with a delta function.
- */
-+#ifdef ENABLE_INTEGER_PIXOPS
-+
-+static void
-+bilinear_magnify_make_weights (PixopsFilter *filter, double x_scale_d, double y_scale_d, double overall_alpha_d)
-+{
-+ int i_offset, j_offset;
-+ unsigned long *x_weights, *y_weights;
-+ int n_x, n_y;
-+ unsigned long x_scale = x_scale_d * FRAC;
-+ unsigned long y_scale = y_scale_d * FRAC;
-+ unsigned long overall_alpha = overall_alpha_d * FRAC;
-+ unsigned long x_scale_r = (FRAC / x_scale_d);
-+ unsigned long y_scale_r = (FRAC / y_scale_d);
-+
-+ if (x_scale > FRAC) /* Bilinear */
-+ {
-+ n_x = 2;
-+ filter->x_offset = 0.5 * (1/x_scale_d - 1);
-+ }
-+ else /* Tile */
-+ {
-+ n_x = ceil(1.0 + 1.0/x_scale_d);
-+ filter->x_offset = 0.0;
-+ }
-+
-+ if (y_scale > FRAC) /* Bilinear */
-+ {
-+ n_y = 2;
-+ filter->y_offset = 0.5 * (1/y_scale_d - 1);
-+ }
-+ else /* Tile */
-+ {
-+ n_y = ceil(1.0 + 1.0/y_scale_d);
-+ filter->y_offset = 0.0;
-+ }
-+
-+ filter->n_y = n_y;
-+ filter->n_x = n_x;
-+ filter->weights = g_new (int, SUBSAMPLE * SUBSAMPLE * n_x * n_y);
-+
-+ x_weights = g_new (unsigned long, n_x);
-+ y_weights = g_new (unsigned long, n_y);
-+
-+ for (i_offset=0; i_offset<SUBSAMPLE; i_offset++)
-+ for (j_offset=0; j_offset<SUBSAMPLE; j_offset++)
-+ {
-+ int *pixel_weights = filter->weights + ((i_offset*SUBSAMPLE) + j_offset) * n_x * n_y;
-+ unsigned long x = j_offset * FRAC / SUBSAMPLE;
-+ unsigned long y = i_offset * FRAC / SUBSAMPLE;
-+ int i,j;
-+ int total = 0;
-+
-+ if (x_scale > FRAC) /* Bilinear */
-+ {
-+ for (i = 0; i < n_x; i++)
-+ {
-+ /* x_weights[i] = ((i == 0) ? (1 - x) : x) / x_scale; */
-+ unsigned long w = (((i == 0) ? (FRAC - x) : x) * x_scale_r);
-+ x_weights[i] = w / FRAC;
-+ }
-+ }
-+ else /* Tile */
-+ {
-+ /* x
-+ * ---------|--.-|----|--.-|------- SRC
-+ * ------------|---------|--------- DEST
-+ */
-+ for (i = 0; i < n_x; i++)
-+ {
-+ if (i < x)
-+ {
-+ if (i + 1 > x)
-+ x_weights[i] = MIN(FRAC*(i+1), FRAC * x + (((unsigned long long)(FRAC * FRAC)) / (unsigned long)x_scale)) - (x * FRAC);
-+ else
-+ x_weights[i] = 0;
-+ }
-+ else
-+ {
-+ if (x + 1/x_scale > i)
-+ x_weights[i] = MIN(FRAC*(i+1), FRAC * x + (((unsigned long long)(FRAC * FRAC)) / (unsigned long)x_scale)) - (i * FRAC);
-+ else
-+ x_weights[i] = 0;
-+ }
-+ }
-+ }
-+
-+ if (y_scale > FRAC) /* Bilinear */
-+ {
-+ for (i = 0; i < n_y; i++)
-+ {
-+ unsigned long w = ((unsigned long)((i == 0) ? (FRAC - y) : y) * y_scale_r);
-+ y_weights[i] = w / FRAC;
-+ }
-+ }
-+ else /* Tile */
-+ {
-+ /* y
-+ * ---------|--.-|----|--.-|------- SRC
-+ * ------------|---------|--------- DEST
-+ */
-+ for (i = 0; i < n_y; i++)
-+ {
-+ if (i < y)
-+ {
-+ if (i + 1 > y)
-+ y_weights[i] = MIN(FRAC*(i+1), FRAC * y + (FRAC * FRAC / (unsigned long)y_scale)) - (y * FRAC);
-+ else
-+ y_weights[i] = 0;
-+ }
-+ else
-+ {
-+ if (y + 1/y_scale > i)
-+ y_weights[i] = MIN(FRAC*(i+1), FRAC * y + (FRAC * FRAC / (unsigned long)y_scale)) - (i * FRAC);
-+ else
-+ y_weights[i] = 0;
-+ }
-+ }
-+ }
-+
-+ for (i = 0; i < n_y; i++)
-+ for (j = 0; j < n_x; j++)
-+ {
-+ unsigned long long weight = (x_weights[j] * x_scale) / FRAC;
-+ weight = (weight * y_weights[i]) / FRAC;
-+ weight = (weight * y_scale) / FRAC;
-+ weight = (weight * overall_alpha) / FRAC;
-+ *(pixel_weights + n_x * i + j) = (unsigned long)weight;
-+ total += (unsigned long)weight;
-+ }
-+
-+ correct_total (pixel_weights, n_x, n_y, total, overall_alpha);
-+ }
-+
-+ g_free (x_weights);
-+ g_free (y_weights);
-+}
-+
-+#else
-+
- static void
- bilinear_magnify_make_weights (PixopsFilterDimension *dim,
- double scale)
-@@ -1283,6 +1544,8 @@
- }
- }
-
-+#endif
-+
- /* Computes the integral from b0 to b1 of
- *
- * f(x) = x; 0 <= x < 1
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 05:44:39 +0000